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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 Rui Afonso</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * </em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * </em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * </em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * specific language governing permissions and limitations under the License.</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">package</strong> com.googlecode.gwt.charts.client;
<a class="jxr_linenumber" name="14" href="#14">14</a>  
<a class="jxr_linenumber" name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.JsArray;
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.JsArrayInteger;
<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.JsArrayMixed;
<a class="jxr_linenumber" name="18" href="#18">18</a>  
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> * A read-only view of an underlying DataTable. A DataView allows selection of only a subset of the columns and/or rows.</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> * It also allows reordering columns/rows, and duplicating columns/rows.&lt;br&gt;</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> * A view is a live window on the underlying DataTable, not a static snapshot of data. However, you still should must be</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * careful when changing the structure of the table itself, as described here:&lt;br&gt;</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * &lt;ul&gt;</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;Adding or removing columns from the underlying table will not be reflected by the view, and might cause</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * unexpected behavior in the view; you will have to create a new DataView from the DataTable to pick up these changes.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;Adding or removing rows from the underlying table is safe and changes will be propagated to the view immediately</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * (but you must call draw() on any visualizations after this change to have the new row set rendered). Note that if</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * your view has filtered out rows by calling one of the setRows() or hideRows() methods, and you add or remove rows</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * from the underlying table, the behavior is unexpected; you must create a new DataView to reflect the new table.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;Changing cell values in existing cells is safe, and changes are immediately propagated to the DataView (but you</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * must call draw() on any visualizations after this change to have the new cell values rendered).&lt;/li&gt;</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * &lt;/ul&gt;</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * It is also possible to create a DataView from another DataView. Note that whenever an underlying table or view is</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * mentioned, it refers to the level immediately below this level. In other words, it refers to the data object used to</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * construct this DataView.&lt;br&gt;</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * DataView also supports calculated columns; these are columns whose value is calculated on the fly using a function</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * that you supply. So, for example, you can include a column that is a sum of two preceding columns, or a column that</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * calculates and shows the calendar quarter of a date from another column. See setColumns() for more details.&lt;br&gt;</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * When you modify a DataView by hiding or showing rows or columns, the visualization will not be affected until you</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * call draw() on the visualization again.&lt;br&gt;</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * @see &lt;a href="<a href="http://developers.google.com/chart/interactive/docs/reference.html" target="alexandria_uri">http://developers.google.com/chart/interactive/docs/reference.html</a>#DataView"&gt;DataView API Reference&lt;/a&gt;</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/googlecode/gwt/charts/client/DataView.html">DataView</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../com/googlecode/gwt/charts/client/DataSource.html">DataSource</a> {
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">	 * Creates a new DataView for the given DataSource.</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">	 * @param dataSource A DataTable or DataView used to initialize the view. By default, the view contains all the</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">	 *        columns and rows in the underlying data table or view, in the original order.</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">	 * @return a new DataView</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">native</strong> DataView create(DataSource dataSource) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_comment">		return new $wnd.google.visualization.DataView(dataSource);</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="62" href="#62">62</a>  
<a class="jxr_linenumber" name="63" href="#63">63</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment">	 * This constructor creates a new DataView by assigning a serialized DataView to a DataTable. It helps you recreate</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">	 * the DataView that you serialized using DataView.toJSON()</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment">	 * @param dataSource The DataTable object that you used to create the DataView, on which you called</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">	 *        DataView.toJSON(). If this table is any different from the original table, you will get unpredictable</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">	 *        results.</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">	 * @param json The JSON string returned by DataView.toJSON(). This is a description of which rows to show or hide</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">	 *        from the data DataTable.</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">	 * @return a new DataView</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">native</strong> DataView createFromJson(DataSource dataSource, String json) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_comment">		return $wnd.google.visualization.DataView.fromJSON(dataSource, json);</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="77" href="#77">77</a>  
<a class="jxr_linenumber" name="78" href="#78">78</a>  	<strong class="jxr_keyword">protected</strong> <a href="../../../../../com/googlecode/gwt/charts/client/DataView.html">DataView</a>() {
<a class="jxr_linenumber" name="79" href="#79">79</a>  	}
<a class="jxr_linenumber" name="80" href="#80">80</a>  
<a class="jxr_linenumber" name="81" href="#81">81</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">	 * Returns the index in the underlying table (or view) of a given column specified by its index in this view.</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">	 * @param viewColumnIndex should be a number greater than or equal to zero, and less than the number of columns as</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">	 *        returned</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">	 * @return the index in the underlying table (or view). Returns -1 if this is a generated column.</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> getTableColumnIndex(<strong class="jxr_keyword">int</strong> viewColumnIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_comment">		return this.getTableColumnIndex(viewColumnIndex);</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="91" href="#91">91</a>  
<a class="jxr_linenumber" name="92" href="#92">92</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment">	 * Returns the index in the underlying table (or view) of a given row specified by its index in this view.</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment">	 * viewRowIndex should be a number greater than or equal to zero, and less than the number of rows as returned by</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment">	 * the getNumberOfRows() method.</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment">	 * @param viewRowIndex</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">	 * @return the index of a given row specified by its index in this view</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> getTableRowIndex(<strong class="jxr_keyword">int</strong> viewRowIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_comment">		return this.getTableRowIndex(viewRowIndex);</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="103" href="#103">103</a> 
<a class="jxr_linenumber" name="104" href="#104">104</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">	 * Returns the index in this view that maps to a given column specified by its index in the underlying table (or</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment">	 * view). If more than one such index exists, returns the first (smallest) one. If no such index exists (the</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">	 * specified column is not in the view), returns -1. tableColumnIndex should be a number greater than or equal to</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">	 * zero, and less than the number of columns as returned by the getNumberOfColumns() method of the underlying</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">	 * table/view.</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">	 * @param tableColumnIndex</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">	 * @return the index in this view that maps to a given column</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> getViewColumnIndex(<strong class="jxr_keyword">int</strong> tableColumnIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_comment">		return this.getViewColumnIndex(tableColumnIndex);</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="117" href="#117">117</a> 
<a class="jxr_linenumber" name="118" href="#118">118</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">	 * Returns the columns in this view, in order. That is, if you call setColumns with some array, and then call</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">	 * getViewColumns() you should get an identical array.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">	 * @return the columns in this view, in order</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> JsArrayInteger getViewColumns() <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_comment">		return this.getViewColumns();</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">	 * Returns the index in this view that maps to a given row specified by its index in the underlying table (or view).</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">	 * If more than one such index exists, returns the first (smallest) one. If no such index exists (the specified row</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">	 * is not in the view), returns -1. tableRowIndex should be a number greater than or equal to zero, and less than</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">	 * the number of rows as returned by the getNumberOfRows() method of the underlying table/view.</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">	 * @param tableRowIndex</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">	 * @return the index in this view that maps to a given row</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">int</strong> getViewRowIndex(<strong class="jxr_keyword">int</strong> tableRowIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_comment">		return this.getViewRowIndex(tableRowIndex);</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="140" href="#140">140</a> 
<a class="jxr_linenumber" name="141" href="#141">141</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">	 * Returns the rows in this view, in order. That is, if you call setRows with some array, and then call</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">	 * getViewRows() you should get an identical array.</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">	 * @return the rows in this view, in order</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="147" href="#147">147</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> JsArrayInteger getViewRows() <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_comment">		return this.getViewRows();</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="150" href="#150">150</a> 
<a class="jxr_linenumber" name="151" href="#151">151</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">	 * Hides the specified columns from the current view. columnIndexes is an array of numbers representing the indexes</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">	 * of the columns to hide. These indexes are the index numbers in the underlying table/view. The numbers in</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment">	 * columnIndexes do not have to be in order (that is, [3,4,1] is fine). The remaining columns retain their index</em>
<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment">	 * order when you iterate through them. Entering an index number for a column already hidden is not an error, but</em>
<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment">	 * entering an index that does not exist in the underlying table/view will throw an error. To unhide columns, call</em>
<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment">	 * setColumns().</em>
<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment">	 * @param columnIndexes</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> hideColumns(JsArrayInteger columnIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_comment">		this.hideColumns(columnIndexes);</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="164" href="#164">164</a> 
<a class="jxr_linenumber" name="165" href="#165">165</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">	 * Hides all rows with indexes that lie between min and max (inclusive) from the current view. This is a convenience</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">	 * syntax for hideRows(rowIndexes) above.</em>
<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">	 * @param fromIndex</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">	 * @param toIndex</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="172" href="#172">172</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> hideRows(<strong class="jxr_keyword">int</strong> fromIndex, <strong class="jxr_keyword">int</strong> toIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_comment">		this.hideRows(fromIndex, toIndex);</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="175" href="#175">175</a> 
<a class="jxr_linenumber" name="176" href="#176">176</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">	 * Hides the specified rows from the current view. rowIndexes is an array of numbers representing the indexes of the</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">	 * rows to hide. These indexes are the index numbers in the underlying table/view. The numbers in rowIndexes do not</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">	 * have to be in order (that is, [3,4,1] is fine). The remaining rows retain their index order. Entering an index</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">	 * number for a row already hidden is not an error, but entering an index that does not exist in the underlying</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">	 * table/view will throw an error. To unhide rows, call setRows().</em>
<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment">	 * @param rowIndexes</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="185" href="#185">185</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> hideRows(JsArrayInteger rowIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_comment">		this.hideRows(rowIndexes);</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="188" href="#188">188</a> 
<a class="jxr_linenumber" name="189" href="#189">189</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">	 * Specifies which columns are visible in this view. Any columns not specified will be hidden. This is an array of</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">	 * calculated columns in the underlying table/view. If you don't call this method, the default is</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">	 * to show all columns. The array can also contain duplicates, to show the same column multiple times. Columns will</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">	 * be shown in the order specified.</em>
<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">	 * @param columnIndexes an array of calculated columns</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="197" href="#197">197</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> setColumns(JsArray&lt;DataViewColumn&gt; columnIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_comment">		this.setColumns(columnIndexes);</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="200" href="#200">200</a> 
<a class="jxr_linenumber" name="201" href="#201">201</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">	 * Specifies which columns are visible in this view. Any columns not specified will be hidden. This is an array of</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">	 * column indexes in the underlying table/view. If you don't call this method, the default is</em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">	 * to show all columns. The array can also contain duplicates, to show the same column multiple times. Columns will</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">	 * be shown in the order specified.</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">	 * @param columnIndexes an array of column indexes in the underlying table/view</em>
<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="209" href="#209">209</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> setColumns(JsArrayInteger columnIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_comment">		this.setColumns(columnIndexes);</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="212" href="#212">212</a> 
<a class="jxr_linenumber" name="213" href="#213">213</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">	 * Specifies which columns are visible in this view. Any columns not specified will be hidden. This is an array of</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">	 * column indexes in the underlying table/view, or calculated columns. If you don't call this method, the default is</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">	 * to show all columns. The array can also contain duplicates, to show the same column multiple times. Columns will</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">	 * be shown in the order specified.</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">	 * @param columnIndexes an array of column indexes in the underlying table/view, or calculated columns like {@link DataViewColumn}</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> setColumns(JsArrayMixed columnIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_comment">		this.setColumns(columnIndexes);</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="224" href="#224">224</a> 
<a class="jxr_linenumber" name="225" href="#225">225</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">	 * Sets the rows in this view to be all indexes (in the underlying table/view) that lie between min and max</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">	 * (inclusive). This is a convenience syntax for setRows(rowIndexes) above</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">	 * @param fromIndex</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">	 * @param toIndex</em>
<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="232" href="#232">232</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> setRows(<strong class="jxr_keyword">int</strong> fromIndex, <strong class="jxr_keyword">int</strong> toIndex) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_comment">		this.setRows(fromIndex, toIndex);</em>
<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="235" href="#235">235</a> 
<a class="jxr_linenumber" name="236" href="#236">236</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">	 * Sets the visible rows in this view, based on index numbers from the underlying table/view. rowIndexes should be</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">	 * an array of index numbers specifying which rows to show in the view. The array specifies the order in which to</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">	 * show the rows, and rows can be duplicated. Note that only the rows specified in rowIndexes will be shown; this</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">	 * method clears all other rows from the view. The array can also contain duplicates, effectively duplicating the</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">	 * specified row in this view (for example, setRows([3, 4, 3, 2]) will cause row 3 to appear twice in this view).</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">	 * The array thus provides a mapping of the rows from the underlying table/view to this view. You can use</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">	 * getFilteredRows() or getSortedRows() to generate input for this method.</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">	 * @param rowIndexes</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">void</strong> setRows(JsArrayInteger rowIndexes) <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_comment">		this.setRows(rowIndexes);</em>
<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="250" href="#250">250</a> 
<a class="jxr_linenumber" name="251" href="#251">251</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment">	 * Returns a DataTable object populated with the visible rows and columns of the DataView.</em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">	 * @return a DataTable representation of this view</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">native</strong> DataTable toDataTable() <em class="jxr_comment">/*<em class="jxr_comment">-{</em></em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_comment">		this.toDataTable();</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_comment">	}-*/</em>;
<a class="jxr_linenumber" name="259" href="#259">259</a> }
</pre>
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